Legend pipe explained

The Legend pipe is a diatreme associated with the Birch Mountains kimberlite field in northern Alberta, Canada. It is thought to have formed about 75 million years ago during the Late Cretaceous period.^{[1] [2]}

See also

• Volcanism of Canada
• Volcanism of Western Canada
• List of volcanoes in Canada

Notes and References

1. http://www.ags.gov.ab.ca/minerals/diamonds/8IKC_Abstract.pdf Petrogenetic considerations for the Late Cretaceous northern Alberta kimberlite province
2. http://www.ags.gov.ab.ca/minerals/diamonds/diamonds.html Alberta Geological Survey: Kimberlites, Indicator Minerals and Diamonds